noun
indigestion
in-di-JES-chun/ˌɪndɪˈdʒestʃən/
Discomfort caused by difficulty digesting food.
He experiences indigestion after the rich meal.

Etymology
Carrying apart developed into separating or arranging, and digestion applied that idea to processing food for absorption. The negative prefix marks difficulty or failure in that process, giving the name for the resulting discomfort.
In context
… clear signs of this are typically traditional reflux burning strong painful indigestion …
More examples
- She described frequent indigestion.
- The meal left him with indigestion.
- The clinician discussed his indigestion.
Forms
indigestion
Similar words
- dyspepsia
- A clinical term for indigestion.
- heartburn
- A particular burning symptom rather than all indigestion.